From 553e6d715985ed302a87e5122440c2d6e97746e2 Mon Sep 17 00:00:00 2001
From: guy <guy@finereport.com>
Date: Thu, 12 Aug 2021 21:24:26 +0800
Subject: [PATCH] =?UTF-8?q?=E6=95=B4=E7=90=86=E4=BB=A3=E7=A0=81?=
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---
 src/core/4.widget.js | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/src/core/4.widget.js b/src/core/4.widget.js
index 69cf7e29a..81e6faeb5 100644
--- a/src/core/4.widget.js
+++ b/src/core/4.widget.js
@@ -104,11 +104,28 @@
 
         _initRender: function () {
             var self = this;
-
-            function render () {
+            var initCallbackCalled = false;
+            var renderCallbackCalled = false;
+
+            function init () {
+                // 加个保险
+                if (initCallbackCalled === true) {
+                    _global.console && console.error("组件： 请检查beforeInit内部的写法，callback只能执行一次");
+                    return;
+                }
+                initCallbackCalled = true;
+                function render () {
+                    // 加个保险
+                    if (renderCallbackCalled === true) {
+                        _global.console && console.error("组件： 请检查beforeRender内部的写法，callback只能执行一次");
+                        return;
+                    }
+                    renderCallbackCalled = true;
+                    self._render();
+                }
                 if (self.options.beforeRender || self.beforeRender) {
                     self.__async = true;
-                    (self.options.beforeRender || self.beforeRender).call(self, BI.bind(self._render, self));
+                    (self.options.beforeRender || self.beforeRender).call(self, render);
                 } else {
                     self._render();
                 }
@@ -116,9 +133,9 @@
 
             if (this.options.beforeInit || this.beforeInit) {
                 this.__asking = true;
-                (this.options.beforeInit || this.beforeInit).call(this, render);
+                (this.options.beforeInit || this.beforeInit).call(this, init);
             } else {
-                render();
+                init();
             }
         },